Your outboard motor is the heart of your boat, and keeping it in top shape means more time on the water and less time in the shop. Whether you’re a weekend angler or a seasoned boater, the right accessories can make all the difference in performance and longevity.
This guide reviews ten essential products that help you flush, protect, and transport your outboard motor. From flushers and covers to transom savers and steering locks, you’ll find the perfect gear to match your boating needs.
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Shoreline Marine Universal Dual Flow Motor Flusher, with Rectangular Muffs,…
Best forQuick saltwater flush
- Universal fit
- Easy hose connection
ConsiderMay leak if not sealed
Boat Transom Saver for Outboard Motor, Supports up to 100 HP Motors
Best forTrailering up to 100 HP
- Adjustable length
- Aluminum build
ConsiderNot for over 100 HP
ISURE MARINE Universal Rectangular Outboard Motor Water Flusher Boat Ear Mu…
Best forTool-free engine flushing
- Tool-free setup
- Secure spring frame
ConsiderMay not fit all intakes
LEADALLWAY Outboard Boat Motor Carrier-315LBS Motor Cart With 4 Rubber Cast…
Best forHeavy motor transport
- High weight capacity
- Stable wheels
ConsiderAssembly required
Zettum Outboard Motor Cover, 600D Boat Motor Cover Waterproof & Heavy Duty,…
Best forAll-weather motor protection
- Waterproof 600D fabric
- Fade-resistant
ConsiderSize may not fit all
4" Steer Stop Outboard Hydraulic Steering Lock for Outboard Motor Trailerin…
Best forPreventing trailer swing
- Easy snap-on design
- UV-resistant material
ConsiderOnly for hydraulic steering
SeaSierra Outboard Motor Cover for Mercury Yamaha 150-250 HP Boat Engine
Best forSun and weather shield
- Polyester fabric
- Drawstring fit
ConsiderSize may vary
Outboard Motor Muffs Round, Boat Motor Water Muffs Ear Flusher, Better Boat
Best forUniversal engine flushing
- Adaptable rotating ears
- Watertight seal
ConsiderMay not fit square intakes
PUIOCO Adjustable Boat Transom Saver from 23 to 35 Inches
Best forFlexible trailer mounting
- Five adjustment points
- Heavy-duty aluminum
ConsiderTrailer use only
The Motor Mixer by HMC – Novelty Boat Motor Coffee Mixer Wind-Up Outboard M…
Best forNovelty gift for boaters
- Fun design
- Easy to use
ConsiderNot for frothing
Shoreline Marine Dual Flow Flusher – Easy Engine Care
Brand: Shoreline Marine
A reliable flusher that keeps your outboard clean and ready for the next adventure.
The Shoreline Marine Universal Dual Flow Motor Flusher is a must-have for any boat owner. Its rectangular muffs fit most outboard and inboard I/O engines, and the dual flow design ensures a thorough flush. Simply connect it to a standard garden hose, and you’re ready to rinse away salt, silt, and grime after every trip.
This flusher is incredibly easy to operate, making it perfect for quick maintenance. It also helps with winterizing by circulating antifreeze through the system. The durable construction means it will last season after season, protecting your engine’s internal components from corrosive buildup.
- Universal fit
- Easy hose connection
- Helps winterize engine
- May leak if not sealed
- Rectangular muffs not universal
JY PERFORMANCE Transom Saver – Sturdy Motor Support
Brand: JY PERFORMANCE
A solid transom saver that keeps your motor stable and your transom stress-free.
The JY PERFORMANCE Boat Transom Saver is designed to support outboard motors up to 100 HP. Its adjustable length from 23 to 35 inches ensures a perfect fit for your boat trailer. The high-quality aluminum construction provides superior strength, while the composite head with marine-grade ABS clamp holds your engine firmly without scratching.
This transom saver distributes the motor’s weight evenly, reducing stress on the transom during trailering. It’s especially useful when ground clearance is limited. The easy installation means you can attach it in minutes, giving you peace of mind on every road trip.
- Adjustable length
- Aluminum build
- Protects transom
- Not for over 100 HP
- Requires trim/tilt
ISURE MARINE Universal Flusher – Simple and Effective
Brand: ISURE MARINE
A straightforward flusher that makes engine maintenance a breeze.
The ISURE MARINE Universal Rectangular Outboard Motor Water Flusher is a high-quality, convenient tool for flushing your engine. Its black coated spring steel frame ensures a quick and secure connection to your motor’s water intake. No tools are needed for installation or removal, so you can flush your engine in seconds.
This flusher works with any standard garden hose and is perfect for idle-speed adjustments and cleaning pollutants from the cooling system. The high elastic bracket resists deformation, ensuring a tight seal every time. It’s a practical accessory that keeps your motor running smoothly by removing salt and debris after each trip.
- Tool-free setup
- Secure spring frame
- Durable bracket
- May not fit all intakes
- Requires garden hose
LEADALLWAY Outboard Motor Carrier – Mobile Storage Solution
Brand: LEADALLWAY
A sturdy motor cart that simplifies moving and storing your outboard.
The LEADALLWAY Outboard Boat Motor Carrier is a versatile dolly that can handle up to 315 lbs. It features four 8.8-inch rubber rear wheels and two front 3-inch universal stabilizer casters, providing excellent stability and easy movement. The solid steel tube structure ensures durability, and the soft ergonomic handles make pushing comfortable.
This motor cart is not just for carrying; it also works as a storage rack for your boat’s bottom, with a strap to secure it. It ships unassembled but comes with clear instructions for quick setup. Whether you need to move your motor around the garage or store it for the off-season, this carrier is a practical investment.
- High weight capacity
- Stable wheels
- Multi-functional use
- Assembly required
- Bulky storage
Zettum Outboard Motor Cover – Heavy-Duty Protection
The Zettum Outboard Motor Cover is made from premium 600-denier oxford cloth with a PU coating, making it extremely heavy-duty and waterproof. It measures 31 x 23 x 29 inches, fitting most outboard motors from 115 to 225 HP. The fade-resistant material ensures it looks great even after prolonged sun exposure.
This cover is easy to put on and take off, and it protects your engine from rain, snow, dust, and scratches. The quick-drying surface layer makes cleaning simple—just wipe it down. With this cover, you can keep your motor in pristine condition, whether it’s parked at the marina or stored at home.
- Waterproof 600D fabric
- Fade-resistant
- Easy to clean
- Size may not fit all
- Not for motors under 115 HP
ZHIXING Hydraulic Steering Lock – Secure Trailering
Brand: ZHIXING
A simple yet effective lock to keep your motor stable on the road.
The ZHIXING 4-inch Steer Stop Outboard Hydraulic Steering Lock is designed to secure your outboard motor while trailering. It snaps easily onto the hydraulic steering cylinder rod, preventing any rocking or movement during transport. This lock is compatible with most steering cylinder rods on outboard motors.
Made from synthetic materials that are temperature-stable and UV-resistant, this lock is built to last. It’s easy to install and remove, with a large grip handle for convenience. By keeping your motor steady, this lock protects both your engine and your trailer from unnecessary wear and tear.
- Easy snap-on design
- UV-resistant material
- Prevents motor movement
- Only for hydraulic steering
- May not fit all rods
SeaSierra Outboard Motor Cover – Custom Fit Protection
Brand: SeaSierra
A reliable cover that keeps your outboard safe from sun and weather.
The SeaSierra Outboard Motor Cover is crafted from durable polyester fabric that shields your engine from wind, sand, rain, snow, and scratches. It also blocks direct sunlight, reducing UV damage. The cover measures 32.3 x 19.7 x 23.6 inches, fitting most 150-250 HP outboard engines from brands like Mercury, Yamaha, Honda, and Tohatsu.
The bottom edge includes a drawstring to ensure a snug fit, keeping the cover in place even in windy conditions. While horsepower is a reference, it’s best to measure your engine for a perfect fit. This cover is a simple way to extend the life of your outboard by protecting it from the elements.
- Polyester fabric
- Drawstring fit
- UV protection
- Size may vary
- Not fully waterproof
Better Boat Motor Muffs – Versatile Flushing Tool
Brand: Better Boat
A flexible flusher that works on a wide range of outboard engines.
The Better Boat Outboard Motor Muffs feature premium rubber round ear muffs with flexible water lines and watertight seals. They are designed to flush, cool, warm, and winterize your engine. The rotating ears and U-channel design adapt to virtually any outboard or inboard I/O engine, including Mercury, Yamaha, Honda, Suzuki, and Evinrude models.
The large 3.7-inch diameter round intake seal flexes to create a watertight grip on circular intakes, while the 9.25-inch deep U-channel fits most standard intakes. Setup is simple—connect to any garden hose in seconds. These muffs are a versatile addition to your maintenance toolkit.
- Adaptable rotating ears
- Watertight seal
- Easy hose connection
- May not fit square intakes
- Rubber can wear over time
PUIOCO Adjustable Transom Saver – Versatile Support
Brand: PUIOCO
An adjustable transom saver that offers versatile support for your outboard.
The PUIOCO Adjustable Boat Transom Saver offers five adjustable points from 23 to 35 inches, accommodating motors up to 100 HP. It’s designed for trailer use only and requires your engine to have electric trim or tilt capabilities. The heavy-duty aluminum construction provides excellent support for the cantilevered motor, relieving stress on the transom.
This transom saver includes roller brackets and trailer mounting brackets, giving you flexible mounting options to fit various trailer configurations. It prevents collisions between the stern and the ground during transport. With its robust build, this saver ensures your motor stays secure and your transom remains damage-free.
- Five adjustment points
- Heavy-duty aluminum
- Multiple mounting options
- Trailer use only
- Requires trim/tilt
HMC Motor Mixer – Fun Coffee Stirrer
Brand: Hoyt Mercantile Co
A delightful novelty stirrer that brings a bit of boating charm to your cup.
The Motor Mixer by HMC is a novelty wind-up toy that looks like a miniature vintage outboard boat motor. It’s a fun and convenient way to stir your coffee, tea, or hot chocolate. Simply wind it up, place it in your mug, and watch it mix your beverage with a quirky boat theme.
This makes a perfect gift for dads, men, and boat enthusiasts who appreciate a touch of humor. Please note that it’s not intended for frothing coffee or heavy stirring—just light mixing. It’s a unique gadget that adds a smile to your morning routine.
- Fun design
- Easy to use
- Great gift idea
- Not for frothing
- Light stirring only
Buyer’s Guide: What to Consider
Choosing the right outboard motor accessories can seem overwhelming, but focusing on a few key factors helps narrow down your options. Consider your engine type, how you use your boat, and the conditions you face. This guide highlights essential considerations to make an informed choice.
- Engine Compatibility: Ensure the accessory fits your outboard motor's make, model, and horsepower. Check dimensions and compatibility notes, such as intake shape for flushers or shaft length for covers.
- Material Quality: Look for durable materials like aluminum, stainless steel, or heavy-duty oxford cloth. These withstand marine environments, resist corrosion, and provide long-lasting performance.
- Ease of Use: Choose products that are simple to install and operate. Features like tool-free setup, adjustable lengths, or quick-connect hoses save time and effort during maintenance.
- Protection Level: Consider the level of protection needed. Flushers remove salt and debris, covers shield from weather, and transom savers reduce stress. Match the product to your primary concern.
- Storage and Portability: If you need to move or store your motor, look for carriers or savers that are compact and easy to handle. Check weight capacity and whether assembly is required.
Conclusion
Keeping your outboard motor in peak condition doesn’t have to be complicated. With the right flusher, cover, transom saver, or steering lock, you can protect your investment and enjoy worry-free boating. Each product in this list serves a specific purpose, so pick the ones that align with your maintenance routine and trailering habits.
For most boaters, a reliable flusher like the Shoreline Marine or Better Boat muffs is a must, while a sturdy transom saver from JY PERFORMANCE or PUIOCO ensures safe transport. Add a quality cover for weather protection, and you’re set for many seasons on the water.
Erica Steven is the founder and lead writer of WorstBrands, a site dedicated to providing honest and trustworthy reviews about outdoor gear and fashion products.
With a passion for exploring the great outdoors and staying up to date on the latest fashion trends, Erica uses her expertise to provide valuable insights into the products that matter most to her readers.
Whether you're looking for camping equipment or the latest fashion accessories, Erica's articles are the perfect resource for finding the best products that fit your lifestyle.